Robert Alan Morrow (born September 21, 1962) is a US actor currently starring in the television series Numb3rs as FBI Special Agent Don Eppes. He is perhaps best known for his role of Dr. Joel Fleischman in the television series, Northern Exposure.

Rob is perhaps best known for his critically acclaimed portrayal of New York doctor-gone-Alaska, Joel Fleischman, on the hit television series, "Northern Exposure" (1990), which garnered him three Golden Globe and two Emmy Award nominations for "Best Actor in a Dramatic Series." His credits as an actor also include, "Street Time" (2002), Quiz Show (1994), Mother (1996/II), Last Dance (1996), Day Lincoln Was Shot, The (1998) (TV), Emperor's Club, The (2002), Guru, The (2002) and Maze (2000), an independent feature in which he also wrote, directed, produced and starred. Rob made his directorial debut with Silent Alarm, The (1993) which premiered at the 1993 Seattle Film Festival, and went on to screen at the Hamptons, Boston, Edinburgh, and Sundance Film Festivals, with its television debut on Bravo. He has also directed episodes of HBO's "Oz" (1997), Showtime's "Street Time" (2002), CBS's "Joan of Arcadia" (2003) and "Numb3rs" (2005). Rob will be seen this fall in the upcoming Rob Reiner film Bucket List, The (2007) with Jack Nicholson and Morgan Freeman (I). A native New Yorker, Rob began his theater career working for Tom O'Horgan and Norman Mailer. Since then, he has been committed to the theater as a founding member of the nonprofit ensemble Naked Angels, along with Marisa Tomei, Fisher Stevens, Ron Rifkin and Nancy Travis, among others. He has also appeared in "Third Street," at the Circle Repertory Theatre and London's West End production of "Birdy." Rob is on the Board of Directors of Project ALS. Co-founded by Jenifer Estess, who was diagnosed with ALS in 1997, Project ALS is committed to funding the research necessary for finding effective treatments and a cure for people living with ALS, a fatal neuromuscular disease.